CSA (mm2) | Without GCS | With GCS | P-value | Reduction% |
---|---|---|---|---|
GSV | 5.8 ± 3.4 | 3.2 ± 3.1 |  < 0.01 | 44.8% |
PTV | 11.5 ± 6.8 | 5.8 ± 6.5 |  < 0.01 | 49.6% |
GV | 14.0 ± 9.3 | 5.6 ± 5.1 |  < 0.01 | 60.0% |
PV | 39.7 ± 14.3 | 16.9 ± 11.0 |  < 0.01 | 57.4% |
SFV | 53.6 ± 22.2 | 34.2 ± 22.0 |  < 0.01 | 36.2% |